package yy;

import java.util.Scanner;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;

public class Main1 {
	public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = Integer.parseInt(sc.nextLine());
        ExecutorService exec =Executors.newSingleThreadExecutor();
        for (int i = 0; i < n; i++) {
            exec.execute(new Task(i));
        }		
        exec.shutdown();
        sc.close();
    }
}
class Task implements Runnable{
	public Task(int n){
		
	}

	@Override
	public void run() {
		// TODO Auto-generated method stub
		
	}
}